35. Different kinds of serpents 284 36. The ichneumon 287 37. The crocodile _ib._ 38. The scincus 288 39. The hippopotamus 290 40. Who first exhibited the hippopotamus and the crocodile at Rome _ib._ 41. The medicinal remedies which have been borrowed from animals 291 42. Prognostics of danger derived from animals 294 43. Nations that have been exterminated by animals 295 44. The hyæna 296 45. The crocotta; the mantichora _ib._ 46. Wild asses 297 47. Beavers; amphibious animals; otters _ib._ 48. Bramble-frogs 298 49. The sea-calf; beavers; lizards _ib._ 50. Stags 299 51. The chameleon 302 52. Other animals which change colour; the tarandus, the lycaon, and the thos 304 53. The porcupine 305 54. Bears and their cubs _ib._ 55. The mice of Pontus and of the Alps 308 56. Hedgehogs _ib._ 57. The leontophonus, and the lynx 310 58. Badgers and squirrels _ib._ 59. Vipers and snails 311 60. Lizards 312 61. The qualities of the dog; examples of its attachment to its master; nations which have kept dogs for the purposes of war _ib._ 62. The generation of the dog 316 63. Remedies against canine madness _ib._ 64. The nature of the horse 317 65. The disposition of the horse; remarkable facts concerning chariot horses 319 66. The generation of the horse 320 67. Mares impregnated by the wind 322 68. The ass; its generation _ib._ 69. The nature of mules, and of other beasts of burden 324 70. Oxen; their generation 326 71. The Egyptian Apis 330